[v4] telemetry: fix json output buffer size
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Commit Message
Fix json output buffer size for a single largest value.
Fixes: 52af6ccb2b39 ("telemetry: add utility functions for creating JSON")
Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
---
v4:
- corrected typo in commit message.
v3:
- use "len" param as buffer size.
---
lib/telemetry/telemetry_json.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
@@ -9,6 +9,7 @@
#include <stdarg.h>
#include <stdio.h>
#include <rte_common.h>
+#include <rte_telemetry.h>
/**
* @file
@@ -23,13 +24,13 @@
* @internal
* Copies a value into a buffer if the buffer has enough available space.
* Nothing written to buffer if an overflow ocurs.
- * This function is not for use for values larger than 1k.
+ * This function is not for use for values larger than given buffer length.
*/
__rte_format_printf(3, 4)
static inline int
__json_snprintf(char *buf, const int len, const char *format, ...)
{
- char tmp[1024];
+ char tmp[len];
va_list ap;
int ret;